Two Cars Start Moving from the Same Point $70 \mathrm { mi } / \mathrm { h }$

Short Answer

Two cars start moving from the same point. One travels south at $70 \mathrm { mi } / \mathrm { h }$ and the other travels west at $20 \mathrm { mi } / \mathrm { h }$ . At what rate is the distance between the cars increasing 2 hours later? Round the result to the nearest hundredth.